By Neal Marder, Andrew Jick, Erica Abshez Moran and Zak Franklin ( December 8, 2017, 3:42 PM EST) -- The year 2017 has seen significant developments in the field of class action litigation. Even as the impact of the U.S. Supreme Court's Spokeo decision regarding standing continued to work its way through the courts, the Supreme Court created new ripples this year with its Bristol-Myers Squibb decision on personal jurisdiction. Meanwhile, the courts of appeals continued to make strides on subject matters including ascertainability, standing to pursue injunctive relief and mootness. The legislative branch also played an important role in this area: this year, Congress blocked an agency's attempt to restrict consumer arbitration provisions and is currently considering legislation that would alter the class action landscape. This article highlights the year's most noteworthy developments in class action litigation....